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Marquise|Natural|GIA

1.02ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 1242036004

Certificate GIA 1242036004

Diamond specifications and retailer prices

From $3,747 CAD
As of October 31, 2026
Save $3,377 CAD (47%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,124 CAD at Helzberg Diamonds · As of November 3, 2026
View at Helzberg Diamonds

About this 1.02ct natural marquise diamond

This 1.02ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1242036004. Listed at 14 retailers as of October 31, 2026, with prices from $3,747 to $7,124, a $3,377 spread on the same certified stone. Helzberg Diamonds lists it at $7,124. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.02
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.06°
Pavilion angle40.17°
OriginNatural
Grading LabGIA
CertificateGIA 1242036004
Dimensions9.96 × 5.23 × 3.30 mm
L/W Ratio1.90
Culet sizeNone
Top View
9.96 mm5.23 mm1.02 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242036004
Side View
Table 60.0%Crown 38.06°Girdle: MED-THKPavilion 40.17°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $7,124 CAD|Low: $3,747 CAD|High: $7,268 CAD|Avg: $4,887 CAD|-2.0%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 5, 2026
Retailer 10$3,747 CAD
Retailer 2$3,839 CAD
Retailer 6$3,843 CAD
Retailer 11$4,040 CAD
Retailer 12$4,051 CAD
Retailer 7$4,376 CAD
Retailer 4$4,514 CAD
Retailer 14$4,827 CAD
Retailer 3$4,955 CAD
Retailer 8$4,995 CAD
Retailer 9$5,199 CAD
Retailer 13$6,320 CAD
Retailer 5$6,698 CAD
Helzberg Diamonds$7,124 CAD

35 data points across 14 retailers

14 retailers$3,747 CAD to $7,124 CAD

A
Cheapest Retailer
-
$3,747 CAD
A
Retailer 2
-
$3,839 CAD
View
A
Retailer 3
-
$3,843 CAD
View
B+
Retailer 4
-
$4,040 CAD
View
B+
Retailer 5
-
$4,051 CAD
View
B+
Retailer 6
-
$4,376 CAD
View
B+
Retailer 7
-
$4,514 CAD
View
B+
Retailer 8
-
$4,827 CAD
View
B+
Retailer 9
-
$4,955 CAD
View
B+
Retailer 10
-
$4,995 CAD
View
B+
Retailer 11
-
$5,199 CAD
View
B
Retailer 12
-
$6,320 CAD
View
B
Retailer 13
-
$6,698 CAD
View
Most Expensive
B
Helzberg Diamonds
XZRHIKIGJMGGK · Nov 3
$7,124 CAD
$5,065 USD
View
13 more retailers have this diamond
Prices start from $3,747 CADSave up to $3,377 CAD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.02ct Marquise
$3,747 CAD